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Decatur, IL Weather Conditions

Updated: Wed Jun 10th 2026 4:00 PM CDT

Partly Cloudy

88^°F 31^°C

Feels Like 94^°F / 35^°C

Decatur, IL weather condition is Partly Cloudy and 88°F.

Today's Weather in Decatur,IL

The current weather in Decatur IL as of 4:00 PM CDT on Wed Jun 10th 2026, has a sky condition of Partly Cloudy with the visibility of 9 mile(s) and the UV index at 5. It is 88 degrees fahrenheit but feels like 94 degrees. The barometric pressure is 29.82 - measured by inches of mercury - and is rising since its last observation. The humidity is 55 percent that's falling since the last report, with a dew point of 76 degrees fahrenheit which is falling. Wind direction is from the South-Southwest at 12.8 miles per hour, gusting at 16.3 miles per hour. Sunrise was at 5:26 AM and Sunset is at 8:23 PM. The moon phase is a Waning Crescent moon rising at 1:56 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 5:26 AM

Sunset: 8:23 PM

As of:

Moon

Moonrise: 1:56 AM

Moonset: 3:25 PM

Phase: Waning Crescent Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Sunny

Sunny with a high of 94°F and a low of 76°F. 8%% possible chance of rain predicted with an estimated 0in. Winds will be strong at speeds peaking at 21mph. The humidity will be on the higher side, reaching around 74%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 94° \| Lo 76°	74%	8% \| est. 0in	0%	21 mph

Heavy Rain

Heavy Rain with a high of 91°F and a low of 70°F. Probable rainfall forecasted, having a 77% chance with an estimated 1.28in. Winds will be moderate, blowing around 19mph. The humidity will be on the higher side, reaching around 79%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 91° \| Lo 70°	79%	77% \| est. 1.28in	0%	18.8 mph

Sunny

Sunny with a high of 77°F and a low of 59°F. 7%% possible chance of rain predicted. Winds will be moderate, blowing around 16mph. The humidity will be on the higher side, reaching around 74%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 77° \| Lo 59°	74%	7%	0%	15.2 mph

Sunny

Sunny with a high of 79°F and a low of 61°F. 17%% possible chance of rain predicted with an estimated 0in. Winds will be moderate, blowing around 15mph. The humidity will be on the higher side, reaching around 78%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 79° \| Lo 61°	78%	17% \| est. 0in	0%	14.1 mph

Scattered Rain

Scattered Rain with a high of 71°F and a low of 61°F. Probable rainfall forecasted, having a 57% chance with an estimated 0.06in. Winds will be moderate, blowing around 14mph. The humidity will be on the higher side, reaching around 70%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 71° \| Lo 61°	70%	57% \| est. 0.06in	0%	13.4 mph

Yesterday 5-Day Wind

Weather Radar Map

Hourly Temperature

The current temperature today is 88^°F. The morning temperature of 77°^F is lowest at 12am with the daytime high of 93°^F at 2pm and a low around 75°^F at 11pm is expected.

Hourly Barometric Pressure

The highest pressure today is 29.87^inHg at 7am and lowest being 29.7^inHg at 6pm.

Hourly Wind Speeds

The fastest wind is reported to be 21^mph at 9pm, while the slowest is 7.4^mph around 6am; expect wind gusts peaking 37.6^mph at 8pm. View live wind conditions in Decatur

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